Canon EOS 800D (Rebel T7i) vs Pentax K-3 II Compare

Here you can find digital cameras comparison. Pick up with the best rating.

Cameras which are being compared are Amateur DSLR cameras.

EOS 800D vs K-3 II - Side by side

Learn more about compared cameras specifications below.

Canon EOS 800D / Rebel T7i vs Pentax K-3 II Specs

EOS 800D

  • Introduced in February 2017
  • Amateur DSLR
  • Sensor: APS-C
  • 24 megapixel
  • 6 frames/second
  • 100 – 25600 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta mirror)
  • 76.00mm (3.0″) Monitor, articulated
  • Lens mount EF, EF-S
  • WiFi built-in
  • 131 x 100 x 76.2mm³ (5.2″ x 3.9″ x 3.0″)
  • 532g (17.2 oz.)

All specs: Main page for EOS 800D

K-3 II

  • Introduced in April 2015
  • Amateur DSLR
  • Sensor: APS-C
  • 23 megapixel
  • 8 frames/second
  • 100 – 51200 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta prism)
  • 81.00mm (3.2″) Monitor
  • Lens mount KAF2
  • No WiFi
  • 131.5 x 102.5 x 77.5mm³ (5.2″ x 4.0″ x 3.1″)
  • 785g (25.3 oz.)

All specs: Main page for K-3 II

EOS 800D vs K-3 II Sensors

On the pictures below the sensor areas of cameras are highlighted.

This infographic highlights the sensor areas of both models compared to other common sensor formats:

Info graphic: EOS 800D an K-3 II sensor comparison

EOS 800D vs K-3 II: Viewfinder

EOS 800D has an optical viewfinder with penta mirror. It has magnification of 0.52x and covers 95% of view field.

The K-3 II has an optical viewfinder with a penta prism. It’s magnification is 0.59x covering 100% of view field.

Viewfinder magnifications of compared cameras. The black area shows a magnification of 1x, relative to native size; in red is a magnification of 0.85x.

EOS 800D (0.52x)

K-3 II (0.59x)

Better choice: Pentax K-3 II

Canon EOS 800D VS Pentax K-3 II Other Specs Comparison

Why is Canon EOS 800D / Rebel T7i a better choice

EOS 800D

K-3 II

Wider resolution (5, megapixel)

24.20 23.35
Auto Focus points (4)

45 27
Larger lens selection (3)

220 40
Built-in flash (2)

Articulated monitor (2)

Touch screen (2)

Weighs less (2)

532g
(17.2 oz.)
785g
(25.3 oz.)
WiFi (2)

Conclusion: Advantages of the EOS 800D are the higher resolution, the faster and more accurate auto focus and the larger selection of lenses. We also like the built-in flash, the articulated display and the rather comfortable touch screen. A recommendation of the EOS 800D is made easy by the lower weight than the K-3 II and the built-in wifi that permits remote shooting and image transfer without the need for a cable connection.

The EOS 800D scores 22 points.

Otherwise why to choose Pentax K-3 II

EOS 800D

K-3 II

Higher speed (4, frames/second)

6 8
Better sensibility (4)

100 – 25600 ISO 100 – 51200 ISO
Better viewfinder (4)

Penta mirror Penta prism
Image stabilizer (3)

Longer battery life (3, photos)

600 720
USB 3.0 (2)

GPS (2)

Environmental sealing (2)

Conclusion: Advantages of the K-3 II are that the camera is faster, the larger sensitivity and the better viewfinder. We also like the optical image stabilizer, that the battery has more stamina and the support for USB 3.0. HArdly a luxury, given today’s image size and the requirements of 4K video. Finally, there’s the the built-in GPS.

Yields 22 points for the K-3 II.

Common Specs for both cameras compared

EOS 800D

K-3 II

Sensor format

APS-C APS-C
Sensor cleaning

Sensor resolution (MP)

1.04 1.04
Video resolution

1920 x 1080 1920 x 1080
External microphone

Similar size

998cm³ 1045cm³
Canon EOS 800D VS Pentax K-3 II Dimensions

Look at front view of the EOS 800D and K-3 II

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Canon EOS 800D / Rebel T7i

Pentax K-3 II

22
22

We advise to choose the newest model: Canon EOS 800D.